Vcds for checking alarm problem

[Dave364]

Hi looking for advice, got my 2006 octavia Vrs tdi couple of weeks ago and have got a problem with the alarm going off for no reason. I've read posts about this and see I need vcds to find out where the problem is so just want to know exactly what I need to buy, I have seen some cables on eBay but not sure what I need so if someone could point me in the right direction would be much appreciated

[trundlenut]

No eBay cable will help. Either they are kkl and don't work with CAN (which the mkII uses) or they are knock off copies.

Look at the Ross Tech website for a list of UK suppliers.

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[Dave364]

Ok mate thanks for quick reply, I take it they will be expensive?

[trundlenut]

£260 for the version which will work with all car, can and non can. A microcan cable is cheaper but only works with can enabled cats.

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[DGW]

Gendan is one of the UK suppliers of VCDS interfaces. ILEXA is another.

http://m.gendan.co.uk/product_VCHU.html

http://www.ilexa.co.uk/acatalog/vagcom.html?gclid=CM6Kx5-D7b0CFW7MtAodCX0Alg

[Dave364]

Can only see a few distributors in England and by the looks of it about £260 would that be about right?

[Dave364]

That's a bit more than I had hoped, will probably phone up auto electrician or skoda garage

[FriendlyFire]

Have a look at amazon.co.UK for a fault code reader. Must be for Volkswagens. You will pay something between 25 and 50 quid. If the car has logged a fault you will be able to see what it is and reset it.

http://www.amazon.co.uk/SuperScan-VS450-OBDII-Scantool-Reader/dp/B001A33HAG/ref=sr_1_3?ie=UTF8&qid=1397928963&sr=8-3&keywords=Volkswagen+fault+code+readers

Your alarm has a battery which needs replacing at six year intervals. It is behind the front drivers wheel inside the wing. They cost £117 from skodaparts.com. As the battery dies they cause problems.

[Dave364]

I take it the universal fault code readers wouldn't work as I am sure my brothers got one?

I also had the alarm go off when I was driving last weekend and had to stop and it took a couple of minutes to get it to go off, does that sound like it could be that battery playing up? At the time I had the spare key in my pocket and thought I had maybe pressed a button on that to set it off but don't think so now

[Dave364]

Also there is no noise when I lock the car, the lights flash and I hear the car locking but no chirp

[trundlenut]

Also there is no noise when I lock the car, the lights flash and I hear the car locking but no chirp

the alarm siren makes the beeping noises.

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[Dave364]

So possibly faulty siren? Take it the best thing is just to take it to the garage to find the fault

[trundlenut]

I would look to see if there is anyone near you with VCDS. There is a thread with a list in the VCDS/diagnostics forum.

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[Dave364]

Will have a look cheers

[DGW]

Also there is no noise when I lock the car, the lights flash and I hear the car locking but no chirp

Beep on lock/unlock is a feature which can be enabled with VCDS but isn't set from the factory. So its absence could merely be a case that it has not been enabled, rather than a problem with its battery which has a life of circa 6 years.